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Explorer


EXPLORER VOL. 15 NO. 5


DEVELOPMENT TEAM


Vice President and Publisher: Francis Downey Executive Editor: Richard Easby Creative Director: Karen Thompson Explorer Editor: Brenna Maloney Young Explorer Editor: Corinne Rucker Permissions Editor: Jean Cantu Production Specialist: Dreama Karnes-Bynane


Manufacturing & Quality Management: Rachel Faulise


Director of Production: Nicole Elliott


PUBLISHED BY NATIONAL GEOGRAPHIC SOCIETY


There are more exciting articles coming in April!


Fly with a hummingbird on one of the longest bird migrations in the world.


Follow a scientist as he explores the world’s second largest coral atoll.


Join an astronomer as he travels the universe in search of stars.


PICTURE CREDITS COVER: © PETE OXFORD/NPL/MINDEN PICTURES; PAGES 2-3 MARK BRIDGER/GETTY IMAGES; PAGE 4 CHRISTIAN ZIEGLER/NATIONAL GEOGRAPHIC CREATIVE; PAGE 5 (TOP) J & C SOHNS/GETTY IMAGES; PAGE 5 (BOTTOM) CHRISTIAN ZIEGLER/NATIONAL GEOGRAPHIC CREATIVE; PAGE 6 CHRISTIAN ZIEGLER/NATIONAL GEOGRAPHIC CREATIVE; PAGE 7 SHIZUKA AOKI/NATIONAL GEOGRAPHIC CREATIVE; PAGE 8 (TOP) © INGO ARNDT/NPL/MINDEN PICTURES; PAGE 8 (BOTTOM) © STEPHEN DALTON/MINDEN PICTURES; PAGE 9 (TOP) HUGH LANSDOWN/FLPA/ MINDEN PICTURES; PAGE 9 (BOTTOM) CHRISTIAN ZIEGLER/NATIONAL GEOGRAPHIC CREATIVE; PAGE 10 (LEFT) OLGER/SHUTTERSTOCK; PAGES 10-11 THEODORE GRAY/PERIODICTABLE.COM; PAGE 11 (TOP) THEODORE GRAY/PERIODICTABLE.COM; PAGE 11 (BOTTOM LEFT) AUDREY BURMAKIN/SHUTTERSTOCK; PAGE 11 (BOTTOM RIGHT) ANSONSAW/ISTOCK; PAGES 12-14 (BACKGROUND) CONCEPT W/SHUTTERSTOCK; PAGE 12 THEODORE GRAY/PERIODICTABLE.COM; PAGES 12-13 MIKE WALKER; PAGE 13 (TOP) © VISUALS UNLIMITED/CORBIS; PAGES 13 (CENTER), 13 (BOTTOM), 14 THEODORE GRAY/PERIODICTABLE.COM; PAGE 15 SCIENCE SOURCE; PAGES 16-17 (TOP) © KONRAD WOTHE/LOOK/PHOTOSHOT; PAGES 16-17 (CENTER) © FRANCK GUIZIOU/HEMIS/CORBIS; PAGES 16-17 (BOTTOM) © HEMIS/ALAMY STOCK PHOTO; PAGES 18-19 PAVALENA/ SHUTTERSTOCK; PAGE 19 © FUNKYSTOCK/AGE FOTOSTOCK; PAGE 20 LADISLAV PAVLIHA/GETTY IMAGES; PAGE 21 (LEFT) ARTWORK BY LAWSON PARKER/NATIONAL GEOGRAPHIC CREATIVE; PAGE 21 (RIGHT) ALL PHOTOS © GEORGE STEINMETZ; PAGE 22 © GEORGE STEINMETZ; PAGE 23 (TOP) © GERRY ELLIS/MINDEN PICTURES; PAGE 23 (BOTTOM) KONRAD WOTHE/LOOK/PHOTOSHOT; PAGE 24 © GLENN BARTLEY/ALL CANADA PHOTOS/ALAMY STOCK PHOTO.


NATIONAL GEOGRAPHIC EXPLORER (ISSN 1541-3357) is published seven times during the school year—September, October, November–December, January–February, March, April, May—by National Geographic Society, 1125 17th Street NW, Washington, D.C. 20036. Postmaster: Please send address changes to NATIONAL GEOGRAPHIC EXPLORER, PO Box 37863 Boone, IA 50037-28633. Periodical postage paid at Washington, D.C., and additional mailing offi ces.


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Copyright © 2016 National Geographic Society. All Rights Reserved. Reproduction of the whole or any part of the contents of NATIONAL GEOGRAPHIC EXPLORER without written permission is prohibited. National Geographic, NATIONAL GEOGRAPHIC EXPLORER, and the Yellow Border are trademarks of the National Geographic Society.


Cover: a chameleon 1/16/QGL/1


ISBN: 9781337084505


Find your online Teacher’s Guide, interactive whiteboard lessons, and digital editions at ngexplorer.cengage.com


Find your online Teacher’s Guide, interactive whiteboard lessons, and projectable editions at ngexplorer.cengage.com.


(Note: The Teacher’s Guide and activity masters can be printed on either black and white or color printers.)


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